53010321 has 32 divisors (see below), whose sum is σ = 87429888. Its totient is φ = 27820800.

The previous prime is 53010319. The next prime is 53010359. The reversal of 53010321 is 12301035.

It is a happy number.

It is not a de Polignac number, because 53010321 - 2¹ = 53010319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53010321.

It is not an unprimeable number, because it can be changed into a prime (53010311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75271 + ... + 75971.

It is an arithmetic number, because the mean of its divisors is an integer number (2732184).

Almost surely, 2^53010321 is an apocalyptic number.

It is an amenable number.

53010321 is a deficient number, since it is larger than the sum of its proper divisors (34419567).

53010321 is a wasteful number, since it uses less digits than its factorization.

53010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 53010321 is about 7280.8187039645. The cubic root of 53010321 is about 375.6529566227.

Adding to 53010321 its reverse (12301035), we get a palindrome (65311356).

The spelling of 53010321 in words is "fifty-three million, ten thousand, three hundred twenty-one".